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Female shark reproduces without sex
Female shark reproduces without sex From correspondents in Belfast May 23, 2007 11:44 am A FEMALE hammerhead shark which gave birth without sex has put the bite into conventional wisdom about reproduction among large vertebrates, according to research published today. The shark's offspring has no paternal DNA, bemused experts from Northern Ireland and the United States ...
nova.edu

Female Shark's Virgin Birth
Female Shark's Virgin Birth Female Sharks Virgin Birth By Christina Erb Published: May 29, 2007 A female hammerhead shark born in a Nebraska aquarium in 2001 has been identified as the ... Harvey Research Institute, published a paper this week in the journal Biology Letters proving that the female sharks genetic material combined during the cell division of reproduction without the aid of male DNA. ...
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The Wonders of the Seas: Sharks
Sharks really are beautiful animals...once you get to know them. The Grey Reef shark (Carcharhinus amblyrhynchos) is common around Pacific coral reefs, feeding mostly on fish and invertebrates. They reach a ... a shark. More pictures of sharks can be seen here. How do you tell a male from a female shark? The picture above shows a MALE. The male has a pair of claspers at the base of ...
oceanicresearch.org

The Pelagic Shark Research Foundation - Research - Methods
Stanford and even marine institutions abroad. Cetacean and pinniped strandings/washups sometimes bear evidence of either shark predation or scavenging; in these cases the PSRF collecting/stranding unit makes an effort to investigate ... a dead adult california gray whale (E. robustus) being fed upon a large adult female white shark; the whale is entangled in a gill-net. Not good at all; the net draped ...
www.pelagic.org

The Pelagic Shark Research Foundation - The Sharks of the Monterey Bay - Pelagic Sharks
Most of those harpooned are female (30 females caught to every one male!), suggesting a possible separation of the sexes, either ... the animals are no longer frequenting the shallow coastal areas, is unclear. However, the basking shark is a slow-growing species that produces few young. Consequently, all substantial commercial fisheries developed ...
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The Pelagic Shark Research Foundation - Staff
The Pelagic Shark Research Foundation - Staff Research: Project Site Description Objectives Methods The Lure as a Tool Observing Predatory Behavior Plotting Predatory Behavior (GPS/GIS) Satellite Telemetry/Tracking Adult Female 2003 Range of Movement Chart of Deepest Dive / 24 hr. period Depth Profile 2001 Tag Recovery [ home ] [ contact us ] [ support us ] [ shop ] Copyright 1990-2007 PSRF All ...
pelagic.org

The Pelagic Shark Research Foundation - The Sharks of the Monterey Bay - Pelagic Sharks
This classically Lamnid looking shark is often misidentified as juvenile white sharks because of the conical snout, dark round eyes ... blotches. Teeth are similar to mako sharks but smaller, less pronounced and with bilateral cusps. Female salmon sharks reach maturity after about 10-12 years with males maturing a few years ...
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Killer Whale vs. Great White Shark
Around this time, Peter Pyle, a great white shark expert with the Point Reyes Bird Observatory, arrived on the scene. He got within 5 feet of ... attack. Having made her kill, the victorious orca let her maternal instinct take over. "The female apparently killed the shark, but she didn't eat it -- she was encouraging the calf to feed," Schramm ...
extremescience.com

Great White Shark Photos, Carcharodon carcharias, Phillip Colla Natural History Photography
Northern Channel Islands and the Marin headlands. Evidence exists suggesting that gravid (pregnant) female white sharks travel to southern California to give birth -- it may be that these waters ... was found and what its physical size or condition was, allowing researchers to place the shark at two (or more) places over a period of time. See also: Guadalupe Island PhotosGreat ...
oceanlight.com

The Frilled Shark - The Southern African frilled shark
Japanese waters in the 19th century. The rarely seen Frilled Shark Last year, in 2007 a specimen, found alive was captured but was in poor health and died not ... a ’strange eel-like fish with razor sharp teeth inm 2007′. The fish was identified as a female 1.6 m frilled shark and was captured by park staff who were concerned that the shark appeared to be ...
itsnature.org